2171253275 has 6 divisors (see below), whose sum is σ = 2692354092. Its totient is φ = 1737002600.

The previous prime is 2171253263. The next prime is 2171253289. The reversal of 2171253275 is 5723521712.

It is not a de Polignac number, because 2171253275 - 2²⁴ = 2154476059 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43425041 + ... + 43425090.

It is an arithmetic number, because the mean of its divisors is an integer number (448725682).

Almost surely, 2^2171253275 is an apocalyptic number.

2171253275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2171253275 is a deficient number, since it is larger than the sum of its proper divisors (521100817).

2171253275 is an equidigital number, since it uses as much as digits as its factorization.

2171253275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86850141 (or 86850136 counting only the distinct ones).

The product of its digits is 29400, while the sum is 35.

The square root of 2171253275 is about 46596.7088430074. The cubic root of 2171253275 is about 1294.9017829239.

Adding to 2171253275 its reverse (5723521712), we get a palindrome (7894774987).

The spelling of 2171253275 in words is "two billion, one hundred seventy-one million, two hundred fifty-three thousand, two hundred seventy-five".